X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fclient%2Ftreemodel.h;h=df34fb06e0c328f0489f944fd1bbf1883444b8fa;hp=a4039843b40004e89d1612b5dcc90fc0c85bf04f;hb=921e54680da16fcf2adb7a90506875aceb6633a4;hpb=13b2affbdccd1d52479e49affdb81a77258392a6 diff --git a/src/client/treemodel.h b/src/client/treemodel.h index a4039843..df34fb06 100644 --- a/src/client/treemodel.h +++ b/src/client/treemodel.h @@ -1,11 +1,11 @@ /*************************************************************************** - * Copyright (C) 2005-07 by The Quassel Team * + * Copyright (C) 2005-2015 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * + * (at your option) version 3. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * @@ -15,64 +15,199 @@ * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * ***************************************************************************/ -#ifndef _TREEMODEL_H_ -#define _TREEMODEL_H_ +#ifndef TREEMODEL_H +#define TREEMODEL_H -#include +#include +#include +#include +#include + +#include // needed for debug /***************************************** * general item used in the Tree Model *****************************************/ -class TreeItem : public QObject { - Q_OBJECT - +class AbstractTreeItem : public QObject +{ + Q_OBJECT + public: - TreeItem(const QList &data, TreeItem *parent = 0); - TreeItem(TreeItem *parent = 0); - virtual ~TreeItem(); - - void appendChild(TreeItem *child); - void removeChild(int row); - - TreeItem *child(int row); - int childCount() const; - int columnCount() const; - virtual QVariant data(int column, int role) const; - int row() const; - TreeItem *parent(); - + enum TreeItemFlag { + NoTreeItemFlag = 0x00, + DeleteOnLastChildRemoved = 0x01 + }; + Q_DECLARE_FLAGS(TreeItemFlags, TreeItemFlag) + + AbstractTreeItem(AbstractTreeItem *parent = 0); + + bool newChild(AbstractTreeItem *child); + bool newChilds(const QList &items); + + bool removeChild(int row); + inline bool removeChild(AbstractTreeItem *child) { return removeChild(child->row()); } + void removeAllChilds(); + + bool reParent(AbstractTreeItem *newParent); + + AbstractTreeItem *child(int row) const; + + int childCount(int column = 0) const; + + virtual int columnCount() const = 0; + + virtual QVariant data(int column, int role) const = 0; + virtual bool setData(int column, const QVariant &value, int role) = 0; + + virtual inline Qt::ItemFlags flags() const { return _flags; } + virtual inline void setFlags(Qt::ItemFlags flags) { _flags = flags; } + + inline AbstractTreeItem::TreeItemFlags treeItemFlags() const { return _treeItemFlags; } + inline void setTreeItemFlags(AbstractTreeItem::TreeItemFlags flags) { _treeItemFlags = flags; } + int row() const; + inline AbstractTreeItem *parent() const { return qobject_cast(QObject::parent()); } + + void dumpChildList(); + +signals: + void dataChanged(int column = -1); + + void beginAppendChilds(int firstRow, int lastRow); + void endAppendChilds(); + + void beginRemoveChilds(int firstRow, int lastRow); + void endRemoveChilds(); + protected: - QList childItems; - TreeItem *parentItem; - QList itemData; + void customEvent(QEvent *event); + +private: + QList _childItems; + Qt::ItemFlags _flags; + TreeItemFlags _treeItemFlags; + + void removeChildLater(AbstractTreeItem *child); + inline void checkForDeletion() + { + if (treeItemFlags() & DeleteOnLastChildRemoved && childCount() == 0) parent()->removeChildLater(this); + } +}; + + +/***************************************** + * SimpleTreeItem + *****************************************/ +class SimpleTreeItem : public AbstractTreeItem +{ + Q_OBJECT + +public: + SimpleTreeItem(const QList &data, AbstractTreeItem *parent = 0); + virtual ~SimpleTreeItem(); + + virtual QVariant data(int column, int role) const; + virtual bool setData(int column, const QVariant &value, int role); + + virtual int columnCount() const; + +private: + QList _itemData; +}; + + +/***************************************** + * PropertyMapItem + *****************************************/ +class PropertyMapItem : public AbstractTreeItem +{ + Q_OBJECT + +public: + PropertyMapItem(const QStringList &propertyOrder, AbstractTreeItem *parent = 0); + PropertyMapItem(AbstractTreeItem *parent = 0); + + virtual ~PropertyMapItem(); + + virtual QVariant data(int column, int role) const; + virtual bool setData(int column, const QVariant &value, int role); + + virtual QString toolTip(int column) const { Q_UNUSED(column) return QString(); } + virtual int columnCount() const; + + void appendProperty(const QString &property); + +private: + QStringList _propertyOrder; }; /***************************************** * TreeModel *****************************************/ -class TreeModel : public QAbstractItemModel { - Q_OBJECT - +class TreeModel : public QAbstractItemModel +{ + Q_OBJECT + public: - TreeModel(const QList &, QObject *parent = 0); - virtual ~TreeModel(); - - QVariant data(const QModelIndex &index, int role) const; - virtual Qt::ItemFlags flags(const QModelIndex &index) const; - QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const; - QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const; - QModelIndex parent(const QModelIndex &index) const; - int rowCount(const QModelIndex &parent = QModelIndex()) const; - int columnCount(const QModelIndex &parent = QModelIndex()) const; + enum myRoles { + SortRole = Qt::UserRole, + UserRole + }; + + TreeModel(const QList &, QObject *parent = 0); + virtual ~TreeModel(); + + virtual QVariant data(const QModelIndex &index, int role) const; + virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole); + + virtual Qt::ItemFlags flags(const QModelIndex &index) const; + QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const; + + QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const; + QModelIndex indexByItem(AbstractTreeItem *item) const; + + QModelIndex parent(const QModelIndex &index) const; + + int rowCount(const QModelIndex &parent = QModelIndex()) const; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + + virtual void clear(); + +private slots: + void itemDataChanged(int column = -1); + + void beginAppendChilds(int firstRow, int lastRow); + void endAppendChilds(); + + void beginRemoveChilds(int firstRow, int lastRow); + void endRemoveChilds(); protected: - bool removeRow(int row, const QModelIndex &parent = QModelIndex()); - - TreeItem *rootItem; + AbstractTreeItem *rootItem; + +private: + void connectItem(AbstractTreeItem *item); + + struct ChildStatus { + QModelIndex parent; + int childCount; + int start; + int end; + inline ChildStatus(QModelIndex parent_, int cc_, int s_, int e_) : parent(parent_), childCount(cc_), start(s_), end(e_) {}; + }; + ChildStatus _childStatus; + int _aboutToRemoveOrInsert; + +private slots: + void debug_rowsAboutToBeInserted(const QModelIndex &parent, int start, int end); + void debug_rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end); + void debug_rowsInserted(const QModelIndex &parent, int start, int end); + void debug_rowsRemoved(const QModelIndex &parent, int start, int end); + void debug_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight); }; + #endif